// Copyright (c) 2025 PaddlePaddle Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#include "paddle/fluid/distributed/collective/deep_ep/event.hpp"
#include "paddle/fluid/distributed/collective/deep_ep/include/CUDAStream.h"
#include "paddle/fluid/distributed/collective/deep_ep/kernels/exception.cuh"

namespace deep_ep {
void EventHandle::CalcStreamWait(int context_ring_id) const {
  CUDA_CHECK(cudaStreamWaitEvent(
      detail::GetCalcStreamFromGroup(context_ring_id), event->cuda_event(), 0));
}

void EventHandle::CommStreamWait(int context_ring_id) const {
  CUDA_CHECK(cudaStreamWaitEvent(
      detail::GetCommStreamFromGroup(context_ring_id), event->cuda_event(), 0));
}

EventHandle GetEventHandleFromCalcStream(int context_ring_id) {
  return EventHandle(detail::GetCalcStreamFromGroup(context_ring_id));
}

EventHandle GetEventHandleFromCommStream(int context_ring_id) {
  return EventHandle(detail::GetCommStreamFromGroup(context_ring_id));
}

EventHandle GetEventHandleFromCustomStream(const phi::CUDAStream& stream) {
  return EventHandle(stream);
}
}  // namespace deep_ep
